If you drop something on the floor when you're young, you just bend down & pick it up.
But at my age, I stand there for 5 minutes, deciding whether I actually need said item anymore.....
Having watched one of those police chase programmes on the telly last night, what you need is a stick, say about 3ft long, with a piece of gaffer tape at the business end. Its certainly good for retrieving small bags of drugs dropped down a roadside drain by a suspect...